MI windows weather Strip

A handy person from Peachtree City GA says:
I cannot find any markings on the weather stripping. I do know the windows are from MI (Metal Industries) The windows are about 17 years old.

Your Offset T-Slot Foam Filled Bulb Weatherseal,12ft
Product Code: 58-171

looks similar but I'm not sure of the dimensions you have posted. If this will not fit my window's slots can you advise of a similar t slot type of weather strip....

User submitted photos of bubble seal.
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Tom from SWISCO responded:
You might want to instead consider our 58-164. This has a smaller "T" strip. Let me know what you think.
A handy person from Peachtree City says:
Upon closer examination I believe you are right.... what threw me off is that the 58-171 dimensions are in decimals of an inch where as the 58-164 is shown in fractions of an inch..... Also in further reading of other posts I see the foam filled does not come in any other "T" strip width.... Thanks for the help.
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